    @if(optionName == "项目前言"){
        <a href="/npmes/research" class="on">
    @}else{
        <a href="/npmes/research">
    @}
            项目前言</a>


    @if(isNotPc){
        @if(optionName == "特点及优势"){
            <a href="/npmes/wap/research/sd" class="on">
        @}else{
            <a href="/npmes/wap/research/sd">
        @}
    @}else{
        @if(optionName == "特点及优势"){
            <a href="/npmes/research/sd" class="on">
        @}else{
            <a href="/npmes/research/sd">
        @}
    @}
            特点及优势</a>


    @if(isNotPc){
        @if(optionName == "项目保障体系"){
            <a href="/npmes/wap/research/pss" class="on">
        @}else{
            <a href="/npmes/wap/research/pss">
        @}
    @}else{
        @if(optionName == "项目保障体系"){
            <a href="/npmes/research/pss" class="on">
        @}else{
            <a href="/npmes/research/pss">
        @}
    @}
           项目保障体系</a>


    @if(isNotPc){
        @if(optionName == "服务项目"){
            <a href="/npmes/wap/research/sp" class="on">
        @}else{
            <a href="/npmes/wap/research/sp">
        @}
    @}else{
        @if(optionName == "服务项目"){
            <a href="/npmes/research/sp" class="on">
        @}else{
            <a href="/npmes/research/sp">
        @}
    @}
           服务项目</a>


    @if(optionName == "项目成果"){
        <a href_="" class="on">
    @}else{
        <a href_="">
    @}
            项目成果</a>
